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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_PROXY_PLUGIN_RESOURCE_H_
#define PPAPI_PROXY_PLUGIN_RESOURCE_H_
#include "base/compiler_specific.h"
#include "ipc/ipc_sender.h"
#include "ppapi/proxy/ppapi_proxy_export.h"
#include "ppapi/shared_impl/resource.h"
namespace IPC {
class Message;
}
namespace ppapi {
namespace proxy {
class PluginDispatcher;
class PPAPI_PROXY_EXPORT PluginResource : public Resource,
public IPC::Sender {
public:
PluginResource(IPC::Sender* sender,
PP_Instance instance);
virtual ~PluginResource();
// IPC::Sender implementation.
virtual bool Send(IPC::Message* message) OVERRIDE;
bool sent_create_to_renderer() const { return sent_create_to_renderer_; }
protected:
// Sends a create message to the renderer for the current resource.
void SendCreateToRenderer(const IPC::Message& msg);
// Sends the given IPC message as a resource request to the host
// corresponding to this resource object and does not expect a reply.
void PostToRenderer(const IPC::Message& msg);
// Like PostToRenderer but expects a response.
//
// Returns the new request's sequence number which can be used to identify
// the callback. The host will reply and ppapi::Resource::OnReplyReceived
// will be called.
//
// Note that all integers (including 0 and -1) are valid request IDs.
int32_t CallRenderer(const IPC::Message& msg);
private:
IPC::Sender* sender_;
int32_t next_sequence_number_;
bool sent_create_to_renderer_;
DISALLOW_COPY_AND_ASSIGN(PluginResource);
};
} // namespace proxy
} // namespace ppapi
#endif // PPAPI_PROXY_PLUGIN_RESOURCE_H_
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